David A. Flood

Software Engineer | PhD | Textual Criticism & Digital Humanities

Software

These are a few of the open source tools I’ve built.

Triiiceratops

Web Component

A modern, lightweight IIIF viewer built with Svelte and OpenSeadragon. It is distributed as a web component that can be dropped into any HTML page or frontend framework.

SvelteTypeScriptIIIFTailwindOpenSeadragon

Criticus

Desktop App

The workbench for transcription and collation. Handles the conversion between TEI XML transcriptions and the JSON format that collation algorithms need. It includes many other utilities such as exporting a critical apparatus to a fully formatted Word document.

PythonBeeware TogaTEI XML

Apatosaurus

Web Platform

A web app for publishing and analyzing collation data. Takes TEI collations and renders them as an interactive apparatus. Integrates Joey McCollum's open-cbgm library for genealogical analysis.

DjangoHTMXPostgreSQLAWS ServerlessTEI XMLopen-cbgmTailwind

Technical Stack

Top Languages & Frameworks

LayerTechnologies
DatabasesPostgreSQL, SQLite, CouchDB/PouchDB
BackendPython, Go, TypeScript
Web FrameworksDjango, Wagtail, Django Ninja, DRF, SvelteKit, Astro
FrontendJavaScript/TypeScript, HTML, CSS, React, Vue, Svelte, HTMX, Tailwind
DesktopPython (Beeware Toga, Tkinter, Qt, Web views), C# (MAUI)
Data Formats/SchemasTEI XML, IIIF, YJS/CRDT, ProseMirror/TipTap/HocusPocus
AI/LLMsVercel AI SDK (OpenAI, Anthropic), LangChain, Gen AI SDK (Gemini)

Top Infrastructure Experience

  • Docker for containerization
  • AWS EC2, ECS, Lambda, S3, RDS, Batch, CloudFront, Route 53, IAM, SES, etc.
  • CloudFlare Workers, Pages, R2, KV, Vectorize
  • DigitalOcean Droplets, App Platform, Managed Databases, Spaces
  • GitHub Pages, Releases, Actions
  • LLM Providers OpenAI, Anthropic, Gemini, Local Workflows with VLM and Ollama